Intermatic FWZ55K 120U AC Hour Meter B12106 25 Unit Carton Length (in) 25 Unit Carton Length (in) 3 Autovoltage adjust Rear access screw terminals available (Model "K") Category Hour MeterWeb Digits Coloring (Hours) White on Black Digits Coloring (Tenths) Yellow on Black Environmental Rating IP54 (With Use of Gasket) Gasket Model G 55U (sold separately) Hour Meter Material Plastic RoHS Certification Yes Operating Temperature Max (°C) 72 Operating Temperature Max (°F) 160 Operating Temperature Min (°C) 40 Operating Temperature Min (°F) 40 Product Depth (in) 2 All models are black plastic (except FWZ72B which is blue silver on colorless frosted polycarbonate) with white numerals on a black background